@BOOK{ Book!D - 99021563,
AUTHOR = "/ Olle I. Elgerd,Elgerd",
TITLE = "Electric energy systems theory; and introduction",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه تهران",
SUBJECT = "Electric engineering",
URL = "/book/99021563/Electric-energy-systems-theory-and-introduction/"}